How should I prepare my hair before using the Airwrap barrels?
Before curling with the barrels, pre-dry the hair with the Coanda smoothing dryer until it is almost dry. The Coanda smoothing dryer comes with two modes — drying and smoothing — and you can switch between them using the cool tip. (Page 5)
From the official Dyson Supersonic 308C Hair Dryer manual, page 5
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